Add Carrierwave for uploading avatar images
Signed-off-by: Eduardo Bautista <eduardo.bautista@crowdint.com>
Scale all images to 78x78
Signed-off-by: Eduardo Bautista <eduardo.bautista@crowdint.com>
Merge pull request #56 from crowdint/add-upload-feature

Add Carrierwave for uploading avatar images